Finding the Fourth Proportional to 2,377.88, 3,281.42 and 1,330.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.88 : 3,281.42 = 1,330.04 : x
2. Step 2: Convert to fraction form
   2,377.88/3,281.42 = 1,330.04/x
3. Step 3: Cross multiply
   2,377.88x = 3,281.42 × 1,330.04
4. Step 4: Simplify right side
   2,377.88x = 4,364,419.86
5. Step 5: Solve for x
   x = 4,364,419.86/2,377.88
6. Step 6: Final answer
   x = 1,835.42